/**
 * Daemon client — used by hooks and MCP server to connect to the central daemon.
 *
 * ensureServer() — check PID, ping /health, spawn daemon if not running
 * gatherFromDaemon() — POST /gather for hooks
 * connectSSE() — GET /events for MCP server channel forwarding
 */
import { type IncomingMessage } from 'node:http';
export interface DaemonInfo {
    pid: number;
    port: number;
    host: string;
    startedAt: string;
    serverScript: string;
    version: string;
}
export type SessionLifecycleStatus = 'online' | 'busy' | 'idle' | 'unknown' | 'offline';
export interface SessionStatusUpdate {
    sessionId: string;
    provider?: string;
    status?: SessionLifecycleStatus;
    reason?: string;
}
/**
 * Ensure the daemon is running. Starts it if needed.
 * Returns connection info { host, port } or null on failure.
 */
export declare function ensureServer(): Promise<DaemonInfo | null>;
/**
 * POST /gather — request plugin output for a trigger. Used by hooks.
 */
export declare function gatherFromDaemon(info: DaemonInfo, trigger: string, cwd?: string, session?: SessionStatusUpdate): Promise<string>;
export declare function registerSessionStatus(info: DaemonInfo, update: SessionStatusUpdate): Promise<void>;
export declare function unregisterSessionStatus(info: DaemonInfo, update: SessionStatusUpdate): Promise<void>;
/**
 * POST /reload — tell the daemon to re-discover and re-import all plugins.
 * Returns { ok, loaded, errors } or null if no daemon is running.
 */
export declare function reloadDaemon(): Promise<{
    ok: boolean;
    loaded: string[];
    errors: string[];
} | null>;
/**
 * GET /events — connect to daemon SSE stream. Used by MCP server.
 * Returns the HTTP response for streaming, or null on failure.
 *
 * Events arrive as:
 *   event: plugin-result
 *   data: {"plugin":"name","text":"...","timestamp":"..."}
 */
export declare function connectSSE(info: DaemonInfo, sessionId: string, provider?: string): Promise<IncomingMessage | null>;
/**
 * GET /doctor — get diagnostic output from daemon.
 */
export declare function getDoctorFromDaemon(info: DaemonInfo): Promise<string>;